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Ive got a 3inch 'hiflow' cat converter on my Stagea at the moment (same as for r33).... very new, like a few months old only. Id love to get an even bigger one, like 4inches or more........................ but checked the prices and the larger ones arnt that cheap - mine cost $190, off BATMBL here on the forums.

Brendan

Edited by Tangles

probably wasn't very clear in my first post. i'm basically look at making straight through cats for mine and my mates cars and i'd also like some 3" flanges off them! So basically i'm just after ones that are shagged an no one wants any more, none of these expensive ones!

:) Ive got my old 'compliance' cat you can pretty much have..... but im sure thats a 2 or 2.5inch unit, sorry.

Use that and cut the flanges off, and get a 3inch pipe from a exhaust shop pretty cheap......

Edited by Tangles

Ash,

You can pick up the 3" flanges for next to nothing from AAA Exhaust.

I bought a 1m piece of 3" pipe, 2 flanges and 2 gaskets for $30.

Nice bloke at AAA, will definitely have future exhaust mods done there.

Which will be fairly soon as I am going to quieten the car up a little by dropping the largest straight through muffler I can fit under the car just after the cat.

you don't need to quieten your car up any more, its already a heap quieter than mine. I ended up gutting my cat and did notice a bit of improvement (also made it even louder) but haven't put a pipe through it as it tapers in slightly and you can't get a bit of 3" through it! Not sure if its just mine or all cats are like this!

  • 4 weeks later...
blow flames and gain power - no cat!! :)

not necessarily. i use(d) race cats and i cant see any flames or have been pointed out by others that flames shoot out my exhaust or have i felt any power gains. just left a yellowish stain on my rear bumper.

not necessarily. i use(d) race cats and i cant see any flames or have been pointed out by others that flames shoot out my exhaust or have i felt any power gains. just left a yellowish stain on my rear bumper.

Well then you have to go harder then Duc...........I have a cat and blow flames, you can see them yourself in the corner of your eye.........well especially when there is a wall(hill) next to you!!!

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